TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

TBI Strut Tower Brace?

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Old 02-16-2005, 11:13 AM
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Car: '91 Firebird Convertible
Engine: 305 TBI (LO3)
Transmission: 700r4, Vette Servo
Axle/Gears: 3.27 9 Bolt, PBR disks
TBI Strut Tower Brace?

Who sells these? Are there different brands/quality types?

Are they specific to TBI configurations?

Searching yields stuff applicable to TPI as far as I can tell. Will those work on a TBI?

Curious,
Old 02-16-2005, 11:16 AM
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Car: 1990 Formula
Engine: 305 TBI (LO3)
Transmission: 5 speed manual
Edlebrock makes one, I like it.

Old 02-16-2005, 11:19 AM
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Car: '91 Firebird Convertible
Engine: 305 TBI (LO3)
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Axle/Gears: 3.27 9 Bolt, PBR disks
Originally posted by Formula4Speed
Edlebrock makes one, I like it.
Exactly what I was loooking for.

Thank you, sir.
Old 02-17-2005, 11:47 PM
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Car: 1988 camaro "SS"/ 1991 305/T5
Engine: 383 LT1 in progress/LT1TBI 355 soon
Transmission: Probuilt 700R4 3600 stall/ T5
Axle/Gears: Moser axles, 3.42 Eaton Posi
i like mine too
Attached Thumbnails TBI Strut Tower Brace?-c-documents-settings-owner  
Old 02-18-2005, 12:38 AM
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Car: '91 Firebird Convertible
Engine: 305 TBI (LO3)
Transmission: 700r4, Vette Servo
Axle/Gears: 3.27 9 Bolt, PBR disks
Originally posted by robertfrank
i like mine too
Close to 200 bucks, right?

Simple to install?
Old 02-18-2005, 07:13 AM
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Car: 1991 Chevy Camaro
Engine: 305 TBI
Transmission: 700R4
Axle/Gears: 3.42
$130 at Summit Racing or Jegs
Old 02-18-2005, 07:18 AM
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Car: 1988 camaro "SS"/ 1991 305/T5
Engine: 383 LT1 in progress/LT1TBI 355 soon
Transmission: Probuilt 700R4 3600 stall/ T5
Axle/Gears: Moser axles, 3.42 Eaton Posi
mine was 129 from summit,as far as the install it wasn`t TOO bad ,the hardest part for me was drilling the holes in the firewall.the ones for the strut towers were pretty easy.the first thing i suggest doing before drilling the holes is take a flat head screwdriver after you have made your marks were you`re going to drill the holes and make little groves in the metal because you`re going to need a good bite for the drill to get through if not you`re going to have one hell of a time keeping the drill straight.just take a hammer and lightly tap the grooves in,it won`t takes much pressure so don`t bang on it to hard,like as if you were chizling stone or something.try to make a circle it worked for me.
Old 02-18-2005, 03:18 PM
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Car: '91 Firebird Convertible
Engine: 305 TBI (LO3)
Transmission: 700r4, Vette Servo
Axle/Gears: 3.27 9 Bolt, PBR disks
Excellent advice. Bookmarking this thread.
Old 02-18-2005, 05:30 PM
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Car: 1988 camaro "SS"/ 1991 305/T5
Engine: 383 LT1 in progress/LT1TBI 355 soon
Transmission: Probuilt 700R4 3600 stall/ T5
Axle/Gears: Moser axles, 3.42 Eaton Posi
thanx,i`m glad i was some help.
Old 02-18-2005, 08:30 PM
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Will it fit on a stock airbox and plumbing?

Just wondering,

George
Old 02-18-2005, 09:04 PM
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Car: 1988 camaro "SS"/ 1991 305/T5
Engine: 383 LT1 in progress/LT1TBI 355 soon
Transmission: Probuilt 700R4 3600 stall/ T5
Axle/Gears: Moser axles, 3.42 Eaton Posi
as far as the stock routing yeah it will fit,but as for me i had the tpi cai routing so now i`m waiting for a throttle body spacer so i can clear the brace so i can get it to work.
Old 04-12-2005, 12:05 AM
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Car: '91 Firebird Convertible
Engine: 305 TBI (LO3)
Transmission: 700r4, Vette Servo
Axle/Gears: 3.27 9 Bolt, PBR disks
Those of you with it installed... did you notice a difference in handling after the install? What kind of difference did you see?
Old 04-23-2005, 03:18 PM
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Car: '91 Firebird Convertible
Engine: 305 TBI (LO3)
Transmission: 700r4, Vette Servo
Axle/Gears: 3.27 9 Bolt, PBR disks
Whelp... just got done adding the Edelbrock TBI Strut Tower Brace to my LO3. With the right advice (thank you robertfrank) and the right drill bit, this was a 45 minute install. The only issue I have is that the heat control valve is a little crowded up against the lateral brace but the improvement in the ride is noticeable and well worth the cost (which wasn't much at all ending up at ~160 all told).

Here are the pics:
Attached Thumbnails TBI Strut Tower Brace?-struttower2.jpg  
Old 04-23-2005, 03:18 PM
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Car: '91 Firebird Convertible
Engine: 305 TBI (LO3)
Transmission: 700r4, Vette Servo
Axle/Gears: 3.27 9 Bolt, PBR disks
Number 2:
Attached Thumbnails TBI Strut Tower Brace?-struttower1.jpg  
Old 04-23-2005, 03:19 PM
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Car: '91 Firebird Convertible
Engine: 305 TBI (LO3)
Transmission: 700r4, Vette Servo
Axle/Gears: 3.27 9 Bolt, PBR disks
Overall, and since I have the convertible top, there is noticelable less cowl shake and the top does not creak as much as it used to. Additionally, cornering is crisper and there is a general feeling that the car is tighter (like I took 50K miles off the chasis.



Old 04-23-2005, 03:21 PM
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Car: 1988 camaro "SS"/ 1991 305/T5
Engine: 383 LT1 in progress/LT1TBI 355 soon
Transmission: Probuilt 700R4 3600 stall/ T5
Axle/Gears: Moser axles, 3.42 Eaton Posi
i`m glad it worked out for you,anytime i can help anybody i`ll be glad to.now just get a wonderbar to top that off and you`ll be really pleased with the results.
Old 04-23-2005, 03:32 PM
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Car: '91 Firebird Convertible
Engine: 305 TBI (LO3)
Transmission: 700r4, Vette Servo
Axle/Gears: 3.27 9 Bolt, PBR disks
Originally posted by robertfrank
i`m glad it worked out for you,anytime i can help anybody i`ll be glad to.now just get a wonderbar to top that off and you`ll be really pleased with the results.
Way ahead of you. That was the second thing I added after the Open Air Element.

Last edited by Cadillac; 04-23-2005 at 03:34 PM.
Old 04-23-2005, 03:59 PM
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Car: 1988 camaro "SS"/ 1991 305/T5
Engine: 383 LT1 in progress/LT1TBI 355 soon
Transmission: Probuilt 700R4 3600 stall/ T5
Axle/Gears: Moser axles, 3.42 Eaton Posi
duh on my part i didn`t read your sig
Old 04-24-2005, 07:25 AM
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One more pic won't hurt!

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